6 Part 1 of 2 0.62 points Required information Exercise 6-5 Changes in Variable Costs, Fixed Costs, Selling Price, and Volume [LO6-4] [The following information applies to the questions displayed below] Data for Hermann Corporation are shown below. eflook 14 10 Hint Selling price Variable expenses Contribution margin Percent of Per Unit $130 78 Sales 100 60 $ 52 40 Fixed expenses are $86,000 per month and the company is selling 2,800 units per month. Print References Exercise 6-5 Part 1 Required: 1-a. How much will net operating income increase (decrease) per month if the monthly advertising budget increases by $9,100 and monthly sales increase by $19,500? 1-b. Should the advertising budget be increased? Complete this question by entering your answers in the tabs below. Req 1A Req 18